Home / 139,069,547.28-208,556,134.02-69,955,637.94

Finding the Fourth Proportional to 139,069,547.28, 208,556,134.02 and 69,955,637.94

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Solution

The fourth proportional to 139,069,547.28, 208,556,134.02 and 69,955,637.94 is: 104,909,217.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,069,547.28 : 208,556,134.02 = 69,955,637.94 : x
  2. Step 2: Convert to fraction form
    139,069,547.28/208,556,134.02 = 69,955,637.94/x
  3. Step 3: Cross multiply
    139,069,547.28x = 208,556,134.02 × 69,955,637.94
  4. Step 4: Simplify right side
    139,069,547.28x = 14,589,677,401,669,236
  5. Step 5: Solve for x
    x = 14,589,677,401,669,236/139,069,547.28
  6. Step 6: Final answer
    x = 104,909,217.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.